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API Reference – Special Characters

We've noticed that some messages have been sent via our API which contained characters that wouldn't get through the carriers and delivered to the phone. Unfortunately, in some cases these invalid characters were also causing some issues with our queueing system and were resulting in some messages getting stuck in the queue.

So we've decided to put through an update in our API, to let you know when you may have sent some messages with invalid characters, allowing you to update the message text on your side, rather than have the message fail.